Triple
T21878606
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tring railway station |
E540217
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | London Northwestern Railway (station management) |
—
|
NE NERFINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: London Northwestern Railway (station management) | Statement: [Tring railway station, operatedBy, London Northwestern Railway (station management)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Northwestern Railway (station management) Context triple: [Tring railway station, operatedBy, London Northwestern Railway (station management)]
-
A.
London Northwestern Railway
chosen
London Northwestern Railway is a British train operating company providing regional and commuter rail services across the West Midlands, North West England, and on routes to and from London.
-
B.
North Western Railway
North Western Railway is a fictional railway company featured in The Railway Series books by Rev. W. Awdry, set on the Island of Sodor and known for its anthropomorphic locomotives.
-
C.
North Western Railway
North Western Railway is one of the zones of Indian Railways, overseeing rail operations across parts of Rajasthan and neighboring regions in northwestern India.
-
D.
London and North Western Railway
London and North Western Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across England and Wales before becoming part of the London, Midland and Scottish Railway in 1923.
-
E.
North West Regional Railways
North West Regional Railways was a former British train operating company that provided regional passenger rail services in the North West of England in the 1990s.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69e0c479a98081908ce333853fdd4348 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f118e42c108190b6308016655c429e |
completed | April 28, 2026, 8:30 p.m. |
Created at: April 16, 2026, 7:03 p.m.